Wire Harness Manufacturing - SEWS-EWire Harness Manufacturing Wiring Harness. At the customer distribution centre, SEWS-E our logistics team pick and deliver wire-harnesses according to the customer schedule. We now operate wire harness manufacturing plants in Romania, Morocco and Egypt. From our manufacturing base we have established a supply system capable of fullyWire Harnesses - Control CableWire Harnesses. Lower your costs and improve your quality by outsourcing your wire harness manufacturing to Control Cable. With over 40 years in the industry, Control Cable specializes in the manufacturing of custom wire harnesses for a wide range of applications.